How to normalize a NumPy array to within a certain range?
After doing some processing on an audio or image array, it needs to be normalized within a range before it can be written … Read more
scipy
What are the differences between Pandas and NumPy+SciPy in Python? [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be … Read more
Installing SciPy with pip
It is possible to install NumPy with pip using pip install numpy. Is there a similar possibility with SciPy? (Doing pip install scipy … Read more
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
I have a set of data and I want to compare which line describes it best (polynomials of different orders, exponential or logarithmic). … Read more
Specifying and saving a figure with exact size in pixels
Say I have an image of size 3841 x 7195 pixels. I would like to save the contents of the figure to disk, … Read more
How to add a new row to an empty numpy array
Using standard Python arrays, I can do the following: arr = [] arr.append([1,2,3]) arr.append([4,5,6]) # arr is now [[1,2,3],[4,5,6]] However, I cannot do … Read more
Calculating Pearson correlation and significance in Python
I am looking for a function that takes as input two lists, and returns the Pearson correlation, and the significance of the correlation. … Read more
Is there a library function for Root mean square error (RMSE) in python?
I know I could implement a root mean squared error function like this: def rmse(predictions, targets): return np.sqrt(((predictions – targets) ** 2).mean()) What … Read more
Moving average or running mean
Is there a SciPy function or NumPy function or module for Python that calculates the running mean of a 1D array given a … Read more
How to smooth a curve in the right way?
Lets assume we have a dataset which might be given approximately by import numpy as np x = np.linspace(0,2*np.pi,100) y = np.sin(x) + … Read more